From tiny Chihuahuas to energetic beagles, some dogs are simply built to go the distance, a veterinarian told Newsweek.

Low-energy pups perfect for chill pet parents.

For the past couple of centuries, humans have been breeding dogs to meet specific physical characteristics -- to make Golden Retrievers fluffy, to make Rottweilers muscular, or to make Chihuahuas tiny ...

Ever hear the term “bully breed?” Bully breed is a generic term for a variety of terrier-type dogs like American pit bull terriers, bull terriers, bullmastiffs, Staffordshire terriers, Boston terriers ...